说明：  求解了单载频矩形脉冲信号以及特定带宽的线性调频信号的模糊函数，基于matlab实现了模糊函数、模糊度、距离与速度自相关函数的绘制。
(The fuzzy functions of single carrier rectangular pulse signal and LFM signal with specific bandwidth are solved. Based on MATLAB, the fuzzy functions, fuzzy degree, distance and speed autocorrelation functions are drawn.)